From 29b8e94dcf2575c17541f843741ee96691ff1ded Mon Sep 17 00:00:00 2001 From: Yang Jihong Date: Sat, 18 Nov 2023 02:48:57 +0000 Subject: perf lock contention: Fix a build error on 32-bit Fix a build error on 32-bit system: util/bpf_lock_contention.c: In function 'lock_contention_get_name': util/bpf_lock_contention.c:253:50: error: format '%lu' expects argument of type 'long unsigned int', but argument 4 has type 'u64 {aka long long unsigned int}' [-Werror=format=] snprintf(name_buf, sizeof(name_buf), "cgroup:%lu", cgrp_id); ~~^ %llu cc1: all warnings being treated as errors Fixes: d0c502e46e97 ("perf lock contention: Prepare to handle cgroups") Signed-off-by: Yang Jihong Acked-by: Namhyung Kim Cc: avagin@google.com Cc: daniel.diaz@linaro.org Link: https://lore.kernel.org/r/20231118024858.1567039-3-yangjihong1@huawei.com Signed-off-by: Namhyung Kim --- tools/perf/util/bpf_lock_contention.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'tools') diff --git a/tools/perf/util/bpf_lock_contention.c b/tools/perf/util/bpf_lock_contention.c index e105245eb905..f1716c089c99 100644 --- a/tools/perf/util/bpf_lock_contention.c +++ b/tools/perf/util/bpf_lock_contention.c @@ -12,6 +12,7 @@ #include #include #include +#include #include "bpf_skel/lock_contention.skel.h" #include "bpf_skel/lock_data.h" @@ -250,7 +251,7 @@ static const char *lock_contention_get_name(struct lock_contention *con, if (cgrp) return cgrp->name; - snprintf(name_buf, sizeof(name_buf), "cgroup:%lu", cgrp_id); + snprintf(name_buf, sizeof(name_buf), "cgroup:%" PRIu64 "", cgrp_id); return name_buf; } -- cgit v1.2.3